The Calhoun School, a progressive independent school located on Manhattan's Upper West Side, is seeking candidates for the full-time position of Senior Manager of Development Operations and Communications (SMDOC) to lead projects, initiatives and outreach that drive successful philanthropic engagement across constituencies.    Reporting to the Director of Development, the SMDOC will lead the strategy around operationalizing development systems, events and constituent management. The SMDOC will manage a part-time Database Associate and serve as the owner of all Development systems and databases. The position will partner with the Development Team to envision and execute 20+ events annually, and will oversee Development communications, including